National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair and Breezy

73°F

23°C

Humidity 29%
Wind Speed SW 21 G 31 mph
Barometer 29.79 in (1009.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 12 May 1:56 am CDT
Extended Forecast for

Yankton SD

Red Flag Warning May 12, 12:00pm until May 12, 09:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 59 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A slight chance of sprinkles between 8am and 9am. Partly sunny, then gradually becoming sunny, with a high near 79. Breezy, with a northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 79 °F

    Slight Chance
    Sprinkles and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Breezy, with a north northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind becoming west southwest around 5 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 55. South southeast wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 86. Windy, with a south southeast wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
A slight chance of sprinkles between 8am and 9am. Partly sunny, then gradually becoming sunny, with a high near 79. Breezy, with a northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
Mostly clear, with a low around 45. Breezy, with a north northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 81. Calm wind becoming west southwest around 5 mph.
Wednesday Night
Increasing clouds, with a low around 55. South southeast wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 86. Windy, with a south southeast wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 52.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 52.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 82. Breezy.
Sunday Night
A 40 percent chance of showers. Partly cloudy, with a low around 48. Breezy.
Monday
Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.88°N 97.4°W (Elev. 1204 ft)
Last Update:
1:33 am CDT May 12, 2026
Forecast Valid:
2am CDT May 12, 2026-6pm CDT May 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation